Home / 295,128.80-442,875.45-117,617.30

Finding the Fourth Proportional to 295,128.80, 442,875.45 and 117,617.30

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Solution

The fourth proportional to 295,128.80, 442,875.45 and 117,617.30 is: 176,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,128.80 : 442,875.45 = 117,617.30 : x
  2. Step 2: Convert to fraction form
    295,128.80/442,875.45 = 117,617.30/x
  3. Step 3: Cross multiply
    295,128.80x = 442,875.45 × 117,617.30
  4. Step 4: Simplify right side
    295,128.80x = 52,089,814,665.29
  5. Step 5: Solve for x
    x = 52,089,814,665.29/295,128.80
  6. Step 6: Final answer
    x = 176,498.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.